# ISO8583 Bitmap Calculator vs Square and Compass

The clearest difference is update cadence: Square and Compass at every 4 weeks against ISO8583 Bitmap Calculator's every 32 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ISO8583 Bitmap Calculator ships an update every 32 months, Square and Compass every 4 weeks. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ISO8583 Bitmap Calculator | Square and Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/iso8583-bitmap-calculator/id607389533/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 54 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dario Fanjul](https://appshunter.io/developer/607389536) | [Cristi Oprea](https://appshunter.io/developer/1894023093) |

## What reviewers say

### ISO8583 Bitmap Calculator

[App page](https://appshunter.io/ios/app/iso8583-bitmap-calculator/id607389533)

This utility helps you understand active data elements within ISO8583 messages by visualizing the bitmap. Easily enable or disable fields to see the updated bitmap representation. Supports primary, secondary, and tertiary bitmaps.

**Highlights:** Visualize active data elements, Enable/disable fields, Update bitmap in real-time, Support for primary bitmaps, Support for secondary bitmaps, Support for tertiary bitmaps

**Features:** macOS Compatibility

**In-app purchases:** none


### Square and Compass

[App page](https://appshunter.io/ios/app/square-and-compass/id6769383161)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISO8583 Bitmap Calculator free?

ISO8583 Bitmap Calculator is free to download, with no in-app purchases.

### Is Square and Compass free?

Square and Compass is free to download, with no in-app purchases.

### Do ISO8583 Bitmap Calculator or Square and Compass have ads?

Neither ISO8583 Bitmap Calculator nor Square and Compass shows ads.

### Which is updated more often, ISO8583 Bitmap Calculator or Square and Compass?

ISO8583 Bitmap Calculator ships an update every 32 months, and Square and Compass every 4 weeks. Most recently, ISO8583 Bitmap Calculator was updated on September 28, 2026 and Square and Compass on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*